#time AST1 AST2 AST3N AST3B NDVI
07:40:01 0.4568 0.4493 0.5070 0.5071 0.0603367
08:25:01 0.4374 0.4284 0.4729 0.4730 0.0493731
14:35:00 0.3821 0.3546 0.3392 0.3395 -0.0221966
14:50:00 0.5809 0.5568 0.5412 0.5415 -0.0142077
ave 0.464300 0.447275 0.465075 0.465275 0.0195101